利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

52 条记录 (耗时 0.031 秒)

    Disc array device and disc control method
    21.
    发明授权
    Disc array device and disc control method 失效
    光盘阵列设备和光盘控制方式

    公开(公告)号：US5745771A

    公开(公告)日：1998-04-28

    申请号：US499004

    申请日：1995-07-06

    申请人： Mitsuo Ohyama ,  Yoshihisa Kamo ,  Akihiko Ohba ,  Hitoshi Kakuta ,  Toyohiko Kagimasa ,  Hiroki Kanai

    发明人： Mitsuo Ohyama ,  Yoshihisa Kamo ,  Akihiko Ohba ,  Hitoshi Kakuta ,  Toyohiko Kagimasa ,  Hiroki Kanai

    IPC分类号： G06F3/06 ,  G06F13/24

    CPC分类号： G06F3/0607 ,  G06F3/0613 ,  G06F3/0632 ,  G06F3/0689

    摘要： A plurality of disc units, an array control unit, and a host controller connecting mechanism for connecting them to a host controller through a system interface are mounted on the same circuit board. The order of interrupts of requests for connecting of disc units is detected, and the disc units are connected to a common bus selectively. Cables for interconnecting constituent elements of the disc array device and supporting mechanisms for the disc units can be dispensed with, and consequently the cost can be reduced. Useless rotation waiting is avoided, improving the data transfer rate. The disc array device can be built in the host device and connected directly to the system bus. Therefore the ease of operation can be improved.

    摘要翻译： 多个盘单元，阵列控制单元和用于通过系统接口将它们连接到主机控制器的主机控制器连接机构安装在同一电路板上。 检测到盘单元连接请求的中断顺序，并且选择性地将盘单元连接到公共总线。 可以省略用于互连盘阵列装置的组成元件的电缆和用于盘单元的支撑机构，从而可以降低成本。 避免了无用的旋转等待，提高了数据传输速率。 磁盘阵列设备可以内置在主机设备中，并直接连接到系统总线。 因此，可以提高操作的便利性。

    ">
    22.
    发明授权
    "Parallel transfer type disk system" 失效
    “并行传输式磁盘系统”

    公开(公告)号：US5084789A

    公开(公告)日：1992-01-28

    申请号：US585988

    申请日：1990-09-21

    申请人： Yoshihisa Kamo ,  Hitoshi Kakuta

    发明人： Yoshihisa Kamo ,  Hitoshi Kakuta

    IPC分类号： G06F3/06 ,  G11B19/28 ,  G11B20/10 ,  G11B20/12 ,  G11B20/18

    CPC分类号： G06F3/0601 ,  G11B19/28 ,  G11B20/1883 ,  G06F2003/0692 ,  G11B2220/20

    摘要： A parallel transfer type disk system comprising: a means for parallel dividing input digital data; a plurality of magnetic disks for recording each of said divided digital data, said magnetic disks including a plurality of magnetic heads for allocating said divided digital data to a plurality of tracks on a plurality of magnetic recording disks for simultaneous recording of the data, and a magnetic head driving means including a head selection means for driving said magnetic heads; a means for detecting defective track among said plurality of tracks from each of track signals; and a means for temporarily recording digital data allocated to a defective track and then recording the data on a predetermined track, or for simultaneously recording digital data allocated to said defective track and digital data allocated to tracks other than said defective track on a predetermined group of replacement tracks on said plurality of recording media, when existence of said defective track has been detected by said detecting means among a group of tracks on which said parallel divided digital data are to be recorded.

    摘要翻译： 一种并行传输型磁盘系统，包括：用于并行划分输入数字数据的装置; 用于记录每个所述分割数字数据的多个磁盘，所述磁盘包括多个磁头，用于将所述划分的数字数据分配给多个磁记录盘上的多个磁道，用于同时记录数据;以及 磁头驱动装置，包括用于驱动所述磁头的磁头选择装置; 用于从每个轨道信号检测所述多个轨道中的缺陷轨迹的装置; 以及用于暂时记录分配给缺陷磁道的数字数据，然后将数据记录在预定磁道上，或用于同时记录分配给所述缺陷磁道的数字数据和分配给除了所述缺陷磁道之外的轨道的数字数据在预定磁道 当所述并行划分的数字数据将被记录在一组磁迹中时，所述多个记录介质上的替换磁道在所述检测装置已检测到所述缺陷磁道的存在的情况下。

    Disk array system, data writing method thereof, and fault recovering method
    23.
    发明授权
    Disk array system, data writing method thereof, and fault recovering method 失效
    磁盘阵列系统，数据写入方法及故障恢复方法

    公开(公告)号：US5463765A

    公开(公告)日：1995-10-31

    申请号：US34389

    申请日：1993-03-18

    申请人： Hitoshi Kakuta ,  Yoshihisa Kamo ,  Yoshifumi Takamoto

    发明人： Hitoshi Kakuta ,  Yoshihisa Kamo ,  Yoshifumi Takamoto

    IPC分类号： G06F11/10 ,  G11B20/18 ,  G11C29/00 ,  G06F12/00

    CPC分类号： G11C29/70 ,  G06F11/1008 ,  G06F11/1076 ,  G11B20/1833 ,  G11B20/1883 ,  G11B2220/20

    摘要： In a disk array system for RAID (level 5) to improve a process performance by dispersing data, the overhead during data writing operation is reduced. Even when write data are used to rewrite data #1 to data #4, which have already been written at address SADR 2, SADR 2, SADR1 and SADR 3 within drives as data belonging to mutually different parity groups, these data are considered as new write data, and then these new write data are written in parallel into, for instance, an empty region in the drive at the address SADR 4. The updated old data or the updated old parity data are not read out. The invalidation flags for the updated old data are registered into an address conversion table. The subsequent data readout operation is carried out from a newly written region. When all of data within the original parity group are invalidated, the region holding this group is used as an empty region. The valid data within the parity group, which have been partially invalidated, are replaced at a proper timing. In other words, these valid data are acquired to produce a new parity data group which will then be stored into the empty region. In the above operation, it is assumed that a length of data transferred from a host unit is constant, and data belonging to one parity data group has this constant length.

    摘要翻译： 在用于通过分散数据来提高处理性能的用于RAID（5级）的磁盘阵列系统中，减少了数据写入操作期间的开销。 即使使用写入数据将数据＃1重写到已经写入驱动器内的地址SADR 2，SADR 2，SADR1和SADR 3的数据＃4，作为属于相互不同的奇偶校验组的数据，这些数据被认为是新的 写入数据，然后将这些新的写入数据并行写入到例如地址SADR4的驱动器中的空白区域。更新的旧数据或更新的旧奇偶校验数据不被读出。 更新的旧数据的无效标志被注册到地址转换表中。 随后的数据读出操作是从新写入的区域进行的。 当原始奇偶校验组中的所有数据无效时，保持该组的区域被用作空白区域。 奇偶校验组中的有效数据已被部分无效，在适当的时机被替换。 换句话说，获取这些有效数据以产生新的奇偶校验数据组，然后将其存储到空区域中。 在上述操作中，假设从主机单元传送的数据的长度是恒定的，属于一个奇偶校验数据组的数据具有这个恒定长度。

    Array disk subsystem
    24.
    发明授权
    Array disk subsystem 失效
    阵列磁盘子系统

    公开(公告)号：US5402428A

    公开(公告)日：1995-03-28

    申请号：US630210

    申请日：1990-12-19

    申请人： Hitoshi Kakuta ,  Yoshihisa Kamo ,  Hajime Aoi

    发明人： Hitoshi Kakuta ,  Yoshihisa Kamo ,  Hajime Aoi

    IPC分类号： G06F3/06 ,  G06F11/10 ,  G06F11/14 ,  G06F11/00 ,  G06F1/00 ,  G06F13/00

    CPC分类号： G06F11/1076 ,  G06F11/1466 ,  G06F3/0601 ,  G06F2003/0692 ,  G06F2211/109

    摘要： An array disk subsystem including a command selector for separating a signal from a host into a data item and a command, a data dividing unit for subdividing the data item, an ECC generator for producing an ECC for each of the obtained subdata items, a group of data disks for respectively storing thereon the subdata items and the ECCs, a command interpreting unit for interpreting the command, an I/O counter for counting I/O commands in the command, a backup processor for requesting a backup command based on count information of the I/O counter, and a backup unit responsive to the backup command for sequentially reading the subdata items and the ECCs from the data disks to record therein the subdata items and the ECCs.

    摘要翻译： 一种阵列磁盘子系统，包括用于将信号从主机分离为数据项和命令的命令选择器，用于细分数据项的数据划分单元，用于为每个所获得的子数据项产生ECC的ECC产生器， 用于分别存储子数据项和ECC的数据磁盘，用于解释命令的命令解释单元，用于对命令中的I / O命令进行计数的I / O计数器，用于根据计数信息请求备份命令的备份处理器 的I / O计数器，以及响应于备份命令的备份单元，用于从数据盘顺序读取子数据项和ECC，以在其中记录子数据项和ECC。

    Current driving circuit
    27.
    发明授权
    Current driving circuit 失效
    电流驱动电路

    公开(公告)号：US4600965A

    公开(公告)日：1986-07-15

    申请号：US580711

    申请日：1984-02-16

    申请人： Naoki Sato ,  Yoshihisa Kamo ,  Yasuhiro Katoh ,  Kazuhiro Momata ,  Shinichi Arai

    发明人： Naoki Sato ,  Yoshihisa Kamo ,  Yasuhiro Katoh ,  Kazuhiro Momata ,  Shinichi Arai

    IPC分类号： G11B5/02 ,  G11B5/09 ,  H03K17/60 ,  H03K17/66 ,  G05F3/22 ,  H01H47/32

    CPC分类号： H03K17/603 ,  G11B5/02 ,  H03K17/667

    摘要： In a current driving circuit which supplies a two-terminal load with current to be inverted in accordance with input information, a current driving circuit according to the present invention comprises a load whose one-side terminal has its potential fixed, circuitry to supply a non-fixed side terminal of the load with a direct current, and circuitry to supply the non-fixed side terminal with a current having a magnitude double that of the direct current and a polarity opposite to that of the direct current, while switching it in accordance with input information. Owing to such construction, the number of terminals to be led out from the loads can be reduced, and a load current can be inverted at high speed. In addition, reliability can be enhanced because the assembling process is simplified.

    摘要翻译： 在根据输入信息向两端负载提供要反相的电流的电流驱动电路中，根据本发明的电流驱动电路包括其一侧端子具有其电位固定的电路， 具有直流电的负载的固定侧端子，以及用于向非固定侧端子提供具有与直流电流相反的直流电压和极性两倍的电流的电流的电路，同时根据 与输入信息。 由于这样的结构，可以减少从负载引出的端子的数量，并且可以高速地反转负载电流。 此外，由于组装过程简化，可以提高可靠性。

    Storage unit subsystem
    28.
    发明申请
    Storage unit subsystem 失效

    公开(公告)号：US20050050267A1

    公开(公告)日：2005-03-03

    申请号：US10945882

    申请日：2004-09-22

    申请人： Akira Yamamoto ,  Hiroyuki Kitajima ,  Kouji Arai ,  Yoshihisa Kamo

    发明人： Akira Yamamoto ,  Hiroyuki Kitajima ,  Kouji Arai ,  Yoshihisa Kamo

    IPC分类号： G06F11/10 ,  G06F12/16

    CPC分类号： G06F11/1076 ,  G06F2211/1009

    摘要： When receiving a write request from a processor, a control unit checks the condition of existence (or the presence/absence) in a cache for information necessary for generation of an updated value of a parity record, receives write data and reports the completion of the write request to the processor. In asynchronism with the write request from the processor, the control unit performs a load process for that information among the information necessary for generation of the updated value of the parity record which may be prepared in asynchronism with the write request from the processor and a write after process for the updated value of the parity record.

    Method and apparatus for implementing redundancy on data stored in a disk array subsystem based on use frequency or importance of the data
    29.
    发明授权
    Method and apparatus for implementing redundancy on data stored in a disk array subsystem based on use frequency or importance of the data 有权
    基于数据的使用频率或重要性来实现存储在磁盘阵列子系统中的数据的冗余的方法和装置

    公开(公告)号：US06611897B2

    公开(公告)日：2003-08-26

    申请号：US10123404

    申请日：2002-04-17

    申请人： Tsunetaka Komachiya ,  Yoshihisa Kamo ,  Akira Yamamoto

    发明人： Tsunetaka Komachiya ,  Yoshihisa Kamo ,  Akira Yamamoto

    IPC分类号： G06F1300

    CPC分类号： G06F3/065 ,  G06F3/0613 ,  G06F3/0632 ,  G06F3/0689 ,  G06F2211/1004 ,  G06F2211/1023

    摘要： In a disk array subsystem capable of changing the data redundancy method between a duplicating method and a parity method, the load of data transfer occurring at the time of changing the data redundant method is reduced. In the disk array subsystem, since one data of the duplicated data are used for data for the parity data area, the one data secures an area for storing parity prepared from the data. With the arrangement, it is not necessary to transfer the data when the data redundancy method is changed from the duplicating to the parity method and the data transfer load is mitigated.

    摘要翻译： 在能够在复制方法和奇偶校验方法之间改变数据冗余方法的磁盘阵列子系统中，减少了在改变数据冗余方法时发生的数据传送的负担。 在磁盘阵列子系统中，由于复制数据的一个数据用于奇偶校验数据区域的数据，所以一个数据保护用于存储从该数据准备的奇偶校验的区域。 通过这种安排，当数据冗余方法从复制改变为奇偶校验方法并且减轻数据传输负载时，不需要传送数据。